998505220

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{162623}}^1$

素因数の和:162939

約数の個数: 24

約数和(自身を含む): 2103704064

約数和(自身を除く): 1105198844

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 162623, 325246, 650492, 813115, 1626230, 3252460, 49925261, 99850522, 199701044, 249626305, 499252610, 998505220]

約数ペア:

[(1, 998505220), (2, 499252610), (4, 249626305), (5, 199701044), (10, 99850522), (20, 49925261), (307, 3252460), (614, 1626230), (1228, 813115), (1535, 650492), (3070, 325246), (6140, 162623)]